Emissive dendrimer composition - The present disclosure is directed towards emissive dendrimer compositions, luminescence-based pixels, luminescence-based sub-pixels, and associated methods with an emissive dendrimer having various structures as described herein.

2013-07-25

20130187539

ELECTROLUMINESCENT DISPLAY AND METHOD FOR PRODUCTION - The present invention relates to an electroluminescent display. The display includes a front conductive layer, a first dielectric layer, a light emitting layer, a second dielectric layer, and a rear conductive layer. The rear conductive layer defines a continuous void, where the void separates the rear conductive layer into a first area to be energized to electroluminate and a second area that is not energized.

LIGHT SOURCE APPARATUS - Provided is a light source apparatus which include a light emitting unit including a light emitting area of unit of surface, an antenna disposed along the outer periphery so as not to encroach on a light emitting area and a driving unit, and a driving unit processing wireless power received from the antenna and supplying the processed wireless power to the light emitting unit. According to the light source apparatus, miniaturization may be accomplished and a shielding phenomenon of an antenna reception signal caused by the light emitting area may be suppressed.

2013-07-25

20130187543

DYNAMIC DAMPER AND LIGHTING DRIVING CIRCUIT COMPRISING THE DYNAMIC DAMPER - A dynamic damper in a lighting driving circuit for limiting an inrush current includes a damper circuit and a timing circuit comprising capacitor. The damper circuit is connected to the timing circuit. When an input voltage is provided to the dynamic damper, the capacitor begins to be charged and the capacitance-voltage of the capacitor rises. The damper circuit enters to a first working state and generates a dynamic damper resistor value. When the capacitance-voltage of the capacitor is greater than a first threshold voltage, the damper circuit enters to a second working state and the dynamic damper resistor value begins to decrease. When the capacitance-voltage of the capacitor is greater than a second threshold voltage, the damper circuit enters to a short-circuit state, and the dynamic damper resistor value decreases to zero to facilitate the normal work of the power source converter.

2013-07-25

20130187544

METHOD AND APPARATUS FOR GENERATING PLASMA PULSES - A method for generating plasma pulses in which at least two sources are furnished with at least one time function, wherein each of the at least two sources radiates an electromagnetic field generated by one of the time functions, and the at least one time function and the at least two sources cooperate in such a manner that at least one predetermined field strength is realized sequentially in a temporal succession in at least two predetermined space-time points. An alternative method provides at least one source and at least one reflection element for realizing the predetermined field strength. The apparatus for generating plasma pulses comprises at least two sources and at least one data processing device or at least one source, at least one reflection element and at least one data processing device and is configured in such a manner that a method for generating plasma pulses can be executed.

2013-07-25

20130187545

Ignition Circuit for Igniting a Plasma fed with Alternating Power - In an ignition circuit for igniting a plasma fed with alternating power in a gas discharge chamber, having two line sections for connection to an alternating power source and at least one line section for connection to a housing earth of the gas discharge chamber, at least one series connection of a non-linear element and an energy store is connected between the line sections for connection to an alternating power source, and the line section for connection to a housing earth of the gas discharge chamber is connected to a connection node between an energy store and a non-linear element.

2013-07-25

20130187546

Novel Coherent Multiple Side Electromagnets - In some embodiments, the present disclosure relates to a plasma processing system that generates a magnetic field having a maximum strength that is independent of workpiece size. The plasma processing system has a plurality of side electromagnets that have a size which is independent of the workpiece size. The side electromagnets are located around a perimeter of a processing chamber configured to house a semiconductor workpiece. When a current is provided to the side electromagnets, separate magnetic fields emanate from separate positions around the workpiece. The separate magnetic fields contribute to the formation of an overall magnetic field that controls the distribution of plasma within the processing chamber. Because the size of the plurality of separate side magnets is independent of the workpiece size, the plurality of side magnets can generate a magnetic field having a maximum field strength that is independent of workpiece size.

2013-07-25

20130187547

Apparatus and Method for Removal of Surface Oxides Via Fluxless Technique Involving Electron Attachment - Described herein is a method and apparatus for removing metal oxides on a surface of a component via electron attachment. In one embodiment, there is provided a field emission apparatus, wherein the electrons attach to at least a portion of the reducing gas to form a negatively charged atomic ions which removes metal oxides comprising: a cathode comprising an electrically conductive and comprising at least one or more protrusions having an angled edge or high curvature surface, wherein the cathode is surrounded by a dielectric material which is then surrounded by an electrically conductive anode wherein the cathode and anode are each connected to an electrical voltage source, and the dielectric material between the cathode and anode is polarized, intensifying the electrical field strength and accumulating electrons at the apex of the cathode to promote field emission of electrons from the cathode.

2013-07-25

20130187548

EDGE WEIGHTED SPACING OF LEDS FOR IMPROVED UNIFORMITY RANGE - A light source may comprise a housing, a window mounted in a front plane of the housing, a window length spanning a front plane length, and a linear array of light-emitting elements within the housing. The linear array may be aligned with and emit light through the window, and the linear array may span the window length, wherein first and last light-emitting elements of the linear array are positioned adjacent to widthwise edges of the window, and wherein window sidewalls at the widthwise edges are aligned flush with housing sidewalls.

2013-07-25

20130187549

LED AC DRIVING CIRCUIT CAPABLE OF ADJUSTING OPERATING VOLTAGE - An LED AC driving circuit capable of adjusting operating voltage has a rectifying unit, an LED unit, a voltage-controlled transistor, a current detecting unit and a current regulating unit to form a power loop. Further, a resistance adjusting unit is connected to the voltage-controlled transistor in parallel. The current regulating unit detects the operating power of the voltage-controlled transistor. When the detected operating power is zero, the resistance of the resistance adjusting unit is increased for increasing the current flowing through the voltage-controlled transistor. When the detected operating power becomes larger than a maximum rated power, the resistance of the resistance adjusting unit is decreased to reduce the current. Thus, the operating power is maintained between zero and the maximum rated power.

2013-07-25

20130187550

LED LIGHTING CIRCUIT CAPABLE OF PREVENTING THERMAL BREAKDOWN - An LED lighting circuit capable of preventing thermal breakdown, including: an LED module, having a top end coupled to a line voltage; and a controller, coupled to the line voltage and a bottom end of the LED module, the controller including: an amplifier, having a positive input end coupled to an adjustable reference voltage; a transistor, having a gate terminal coupled to an output end of the amplifier, a first channel terminal coupled to the bottom end of the LED module, and a second channel terminal coupled to a negative input end of the amplifier; a current sensing resistor, coupled between the second channel terminal and a ground; and a reference voltage generator, used for generating the adjustable reference voltage according to the line voltage.

2013-07-25

20130187551

Method and System for Driving LEDs from a Source of Rectified AC Voltage - The present inventions relate to a control circuit for controlling a plurality of serially connected groups of LEDs. A control unit is connected in parallel to each group of a plurality of serially connected groups of LEDs. Each LED group is connected to the adjacent group of LEDs. The control unit is connected to a group of LEDs. The control unit performs the functions of voltage regulating/current regulating/bypass for the associated group of LEDs. The control unit can act as a by-pass unit permitting current to flow through the control unit rather than through the associated group of LEDs.

2013-07-25

20130187552

Light Harvesting - The current application is directed to control of lighting systems and utilization of ambient light levels for such control. One implementation comprises one or more lighting fixtures installed in a structure, at least one ambient light information source configured to provide brightness information of ambient light of the structure, and a controller configured to maintain a brightness level of an interior portion of the structure substantially the same as a brightness level of an exterior portion of the structure by controlling outputs of the lighting fixtures in response to the brightness information of the ambient light. The interior portion of the structure may include an entrance portion of the structure. The controller may be further configured to gradually reduce brightness levels of the outputs of the lighting fixtures from the entrance portion towards a center of the structure.

2013-07-25

20130187553

OPTICAL PACING SYSTEM AND METHOD - A system and method for optically setting a pace for an athlete is presented. The method sequentially places a first group of lights and a second group along a path travelled by the athlete. The first group of lights are sequentially lit one after another one at a time with a first predetermined delay between the lighting of each of the lights. After all the first group of lights have been lit, the second group of lights are similarly sequentially lit in sequence with a second predetermined delay between each of the lights. The first and second predetermined delays can be the same if the athlete desires to run several consistent laps of the same speed. However, the athlete may desire to run one part of the laps fast and the another part slower by setting one predetermined delay longer than the other predetermined delay.

2013-07-25

20130187554

IMAGE DISPLAY DEVICE - An image display device includes: an organic EL element, a first electrostatic capacitor, a driving transistor having a gate connected to a first electrode of the first electrostatic capacitor and a source connected to an anode of the organic EL element, a second electrostatic capacitor having an electrode connected to a second electrode of the first electrostatic capacitor, a negative power source line which determines the potential of a cathode of the organic EL element, and a scanning line driving circuit which controls a first switching transistor, a second switching transistor, and a third switching transistor. In a non-light-emitting period, the scanning line driving circuit sets, during a period from a start of a reset period to an end of the non-light-emitting period, a fixed voltage corresponding to the potential of the negative power source line to the source electrode of the driving transistor.

2013-07-25

20130187555

Flicker-Free LED Driver Circuit with High Power Factor - A flicker-free LED driver circuit with a high power factor has a rectifying unit connected with an AC power source, an LED module connected in series with the rectifying unit, a capacitor module connected in parallel with the LED module, and a constant current circuit connected in series with the LED module and the capacitor module. When the voltage output by the rectifying unit is smaller than a junction voltage of the LED module, the capacitor module discharges to the LED module so that the LED module does not go out, thereby eliminating the flickering. The input impedance of the rectifying unit can be regarded as a capacitive reactance element connected in parallel with a nonlinear resistive element. The internal resistance of the constant current source approaches infinity. Therefore, the power factor of the flicker-free LED driver circuit approximates 1, achieving a high power factor.

MULTI-LEVEL ADAPTIVE CONTROL CIRCUITRY FOR DEEP PHASE-CUT DIMMING COMPACT FLUORESCENT LAMP - An electronic ballast has a rectifying circuit for rectifying an input voltage controlled by a phase dimmer. The electronic ballast has an averaging circuit for averaging current received from the rectifying circuit to produce a reference voltage. The electronic ballast has a control integrated circuit for providing an output current to a compact fluorescent lamp by performing a linear to logarithmic conversion of the reference current, according to a predefined conversion function.

2013-07-25

20130187558

Power Supply Circuit for Driving Light Emitting Diode - The present invention relates to a power supply circuit for driving at least one light emitting diode (LED). The power supply circuit comprises: an input unit, an active power factor corrector, a converter, an output unit and a feedback unit. The input unit is utilized to receive power signal from a power source, and the output unit is utilized to receive power transferred from the converter for driving at least one LED. The feedback unit couples to a node between the converter and the output unit, and delivers the power signal, from the converter to the output unit, back to the active power factor corrector. The active power factor corrector monitors the power signal based on the power signal from the feedback unit for stabilizing the outputting power from the output unit and thereby driving the LED.

2013-07-25

20130187559

POWER SWITCH STRUCTURE WITH BOTH LIGHT EMISSION AND DC POWER CONVERSION FUNCTIONS - A power switch structure with both light emission and DC power conversion functions is electrically connected to an electric appliance and an AC power supply, and the power switch structure includes a casing, a converting module installed in the casing and electrically connected to the AC power supply for converting AC power into DC power, a control switch electrically connected to the electric appliance, the AC power supply and the converting module for switching a using status of the electric appliance, and switching to an output of the DC power according to the using status of the electric appliance, and a first light source module electrically connected to the control switch and driven by the DC power to emit light.

2013-07-25

20130187560

LIGHT SOURCE APPARATUS FOR DETECTING PATHOLOGICAL CHANGE IN AN ORAL CAVITY - A light source apparatus for detecting pathological change in an oral cavity has an LED unit and a control unit. The LED unit has multiple LEDs, and each LED has one of three primary colors. The control unit is electrically connected to the LED unit to adjust an operating voltage of each LED so that a spectral range of a light source mixed by the three primary colors of the LEDs is located in a range of x=0.349±0.0046, y=0.57495±0.00355 on the chromaticity coordinates. The light source apparatus can generate high chromatic aberration and high contrast between a normal area and an area with pathological change when emitting light to a diagnosed area in the oral cavity.

2013-07-25

20130187561

Circuit Arrangement for Operating at Least Two Semiconductor Light Sources - A circuit arrangement for operating at least two semiconductor light sources, having an electrical energy converter comprising at least one switch; at least two operating sections, each having a rectifier with an input terminal, output terminal and reference potential. Each rectifier contains a single rectifier diode. The operating sections are coupled to the electrical energy converter. At least one common mode choke is connected between the switch and the at least two rectifiers. At least two semiconductor light sources are each connected between the output terminal of the associated rectifier and the reference potential thereof. The converter is a resonant converter having a resonant cell. A resonant capacitor is connected in parallel with each of the switches encompassed by the converter topology and to each rectifier diode encompassed by the converter topology. The leakage inductance of the common mode choke is used as the resonant.

DIMMING DEVICE AND LIGHTING SYSTEM - According to one embodiment, a control section receives supply of control power from a control power supply section through a capacitive element and divides, a period of each half cycle of an alternating-current voltage into a first section, a second section, and a third section. In the first section, the control section subjects a switch section to conduction control to supply electric power to a load and stops a converting action of the control power supply section. In the second section, the control section subjects the switch section to non-conduction control to interrupt the power supply to the load and stops the converting action of the control power supply section. In the third section, the control section subjects the switch section to the non-conduction control to interrupt the power supply to the load and causes the converting action of the control power supply to operate.

2013-07-25

20130187564

TRANSFORMER VOLTAGE DETECTION IN DIMMABLE LIGHTING SYSTEMS - An illumination system detects a peak value of a voltage of a transformer supplying an LED module by analyzing the current value of the voltage and an on-time of the voltage. Based on the detected peak value, a property of the illumination system is adjusted.

2013-07-25

20130187565

DEMAND-SIDE INITIATED DIMMABLE LED LAMP - A demand-side dimmable LED lamp operable on a direct current power source that powers a lighting subsystem. The dimming unit selects a power consumption level of the lighting system. Such selection changes the efficacy of the lighting subsystem such that a reduction in power consumption actually results in improved efficacy. The selecting might, for example, select a particular passive network that includes LEDs within the lighting subsystem. Each passive network may have different I-V characteristics, and result in different L-P characteristics, thereby effecting the improved efficacy at lower powers.

2013-07-25

20130187566

CONVERSION CONTROL CIRCUIT AND CONVERTER THEREOF - A conversion control circuit for controlling the operation of a power transistor is disclosed. The conversion control circuit includes a voltage-regulating switch and a control unit. One end of the voltage-regulating switch connects to an external voltage input terminal while another end connects to a voltage-regulating capacitor. The conversion control circuit converts an input voltage inputted from the external voltage input terminal into a power voltage. The power voltage is for supplying operating power to the conversion control circuit. The control unit receives a feedback voltage signal to generate a voltage-regulating pulse signal and a turn-on pulse signal, which are used for controlling the operations of the voltage-regulating switch and the power transistor, respectively and for defining a charging period for charging the voltage-regulating capacitor. A converter including the described conversion control circuit is also disclosed.

2013-07-25

20130187567

CAPACITIVE LOAD DRIVING APPARATUS AND METHOD THEREOF - A load driving apparatus and a method thereof are provided. The provided load driving apparatus includes a first rectification unit, a first conversion unit and a second conversion unit. The first rectification unit is configured to receive and rectify an AC voltage, so as to output a first DC voltage. The first conversion unit is coupled to the first rectification unit, and is configured to receive and convert the first DC voltage, so as to output a second DC voltage. The first conversion unit is further configured to adjust the second DC voltage according to a feedback signal relating to the second DC voltage. The second conversion unit is coupled to the first conversion unit, and is configured to receive and convert the second DC voltage, so as to output a third DC voltage with a constant current to drive a first capacitive load.

2013-07-25

20130187568

Dimming Method and System for LED Lamp Assemblies - The present document relates to a method and system for dimming low power illumination devices, such as LED (Light Emitting Diode) assemblies. A controller for a driver circuit of a light source is described. The driver circuit controls a plurality of illumination states of the light source using a power converter, which converts power from an input voltage waveform of a mains power supply into a drive signal for the light source. The controller comprises an event detection unit; a state register to store an indication of a current state of the illumination states; a state processor to determine a target state of the illumination states, based on the detected event and based on the current state; and an output control unit controls the power converter of the driver circuit to provide a drive signal for the target state.

2013-07-25

20130187569

INFLATABLE LAMP ASSEMBLY - The present invention discloses an inflatable lamp assembly a bladder and a light emitting apparatus that assembled together. The bladder includes a first bag portion, a second bag portion connected with an opening of the first bag portion, an air nozzle disposed on the firs bag portion, and a flange disposed at the opening of the second bag portion. The first bag portion and the second bag portion are co-formed an inflatable cell which is capable of being inflated and deflated by the air nozzle. The light emitting apparatus is received in a recess defined between the second bag portion and flange. As such, the light emitting apparatus can be firmly clamped in the recess when the inflatable cell is filled with air.

2013-07-25

20130187570

LIGHT EMITTING ELEMENT DRIVE DEVICE - A light emitting element drive device with PWM dimming includes an LED module, a power conversion circuit that supplies electric power to the LED module, a dimming switch element that performs an open/close operation for a path in which a current flows in the LED module, and a voltage detection circuit that detects a voltage value of a voltage that is output from the power conversion circuit. When the dimming switch element is turned ON, a control circuit performs feedback control so as to make a current value of the current close to a first target value. When the dimming switch element is turned OFF, the control circuit performs feedback control so as to make the voltage value close to a second target value. Wherein, the first target value is a predetermined value and the second target value is set based on the voltage value.

2013-07-25

20130187571

LED THERMAL PROTECTION STRUCTURES - The present disclosure discloses an apparatus for thermally protecting an LED device. The apparatus includes a substrate. A light-emitting device disposed on a first region of the substrate. The apparatus includes a thermistor disposed on a second region of the substrate. The second region is substantially spaced apart from the first region. The thermistor is thermally and electrically coupled to the light-emitting device. The present disclosure also discloses a method of thermally protecting an LED device. The method includes providing a substrate having a light-emitting diode (LED) die disposed thereon. The method includes detecting a temperature of the LED die using a negative temperature coefficient (NTC) thermistor. The NTC thermistor is positioned on a region of the substrate substantially away from the LED die. The method includes adjusting an electrical current of the LED die in response to the detecting.

2013-07-25

20130187572

DRIVING CIRCUITRY FOR LED LIGHTING WITH REDUCED TOTAL HARMONIC DISTORTION - Conditioning circuits are provided for driving two or more LED groups using a rectified AC input voltage. The conditioning circuits uses analog circuitry to gradually and selectively activate the LED groups based on an instantaneous value of the rectified input voltage. The circuit includes a first series interconnection of a first LED group, a first transistor, and a first resistor, and a second series interconnection of a second LED group, a second transistor, and a second resistor. In one example, the second series interconnection is connected between a drain terminal and a source terminal of the first transistor, while in another example, the second series interconnection is connected between an anode of the first LED group and a source terminal of the first transistor. The first and second LED groups are selectively activated by the rectified voltage applied across the first series interconnection.

POWER SOURCE APPARATUS - The power source apparatus is provided with a shunt resistor connected in series with batteries, and a current computation circuit that detects the voltage induced by current flow through the shunt resistor to compute battery current. The shunt resistor is provided with a pair of current flow terminals at two separated points on a metal plate connected in series with the batteries via connecting leads, and a pair of voltage detection terminals on a side of the metal plate between the pair of current flow terminals. Further, the shunt resistor has interval adjustment structures to adjust the distance (L) between attachment points where the connecting leads attach to the pair of current flow terminals. The distance (L) between lead attachment points is adjusted with the interval adjustment structures to finely adjust the voltage induced at the voltage detection terminals due to current flow between the two attachment points.

2013-07-25

20130187576

LOAD DRIVING DEVICE AND INVERTED MOVABLE BODY EQUIPPED WITH SAME - Provided is a load driving device capable of efficiently recovering and using regenerative power and an inverted type movable body equipped with same. The load driving device includes a battery that supplies power to a load when driving the load, and is charged with a part of regenerative power when the regenerative power equal to or higher than a first reference value is generated by the load. The load driving device also includes an internal circuit that consumes at least a part of regenerative power when the regenerative power is generated by the load.

2013-07-25

20130187577

AIRCRAFT MOTOR DRIVE CONTROL APPARATUS - An inverter and a control unit that has a command signal processing unit and a PWM frequency control unit and performs pulse width modulation control are provided. If the command signal processing unit has received a first PWM frequency command signal, it outputs a low PWM frequency command signal so that synchronous or asynchronous PWM control is performed at a PWM frequency in a predetermined frequency range. The command signal processing unit outputs a high PWM frequency command signal so that synchronous or asynchronous PWM control is performed at a higher frequency than the above-mentioned frequency if the command signal processing unit has received a second PWM frequency command signal and until a predetermined time period elapses. The command signal processing unit outputs a low PWM frequency command signal if it has received the second PWM frequency command signal and after the predetermined time period elapsed.

2013-07-25

20130187578

VEHICLE, AND CONTROL METHOD FOR VEHICLE - A control device includes a PWM control unit that executes PWM control over an alternating-current motor mounted on a vehicle. The PWM control unit includes an alarm sound generation processing unit that executes an alarm sound generating process of generating an alarm sound from the motor for informing a pedestrian, or the like, of the approach of the vehicle by intentionally varying phase current flowing through the motor by periodically adding a variation value (ΔV) to a d-axis voltage command value (Vd) at a predetermined interval. At the time of executing the alarm sound generating process, the alarm sound generation processing unit adjusts the variation value (ΔV) such that the d-axis voltage command value (Vda) resulting from the alarm sound generating process (the sum of Vd and ΔV) falls within a range in which it is possible to suppress occurrence of an overcurrent in the motor.

2013-07-25

20130187579

MOTOR DRIVE FOR PERMANENT MAGNET SYNCHRONOUS MOTOR - A pulse-width modulation (PWM) inverter controller compensates for harmonics in the output current provided by a PWM inverter to permanent magnet (PM) motor. The PWM inverter controller includes a field-oriented controller (FOC) that monitors output currents provided by the PWM inverter to the PM motor and employs the monitored output currents in a current loop feedback that generates control signals. A harmonic compensator transforms monitored phase currents into rectangular waveforms having magnitudes modified based on detected harmonics within the monitored phase currents to generate compensation signals. The compensation signals generated by the harmonic compensator are summed with the control signals generated by the FOC to generate compensated control signals. A PWM signal generator generates PWM signals for controlling the PWM inverter based on the compensated control signals.

2013-07-25

20130187580

Controller For Back EMF Reducing Motor - Embodiments of controllers for electric motors, and methods of operation for the same are disclosed. More particularly, the controllers and methods of operation are for motors designed to operate so as to reduce Back EMF.

2013-07-25

20130187581

Method and arrangement for determining the dynamic state of an electric motor - In a method for the determination of a current initial rotational position of a rotor and in an arrangement for carrying out same, an incremental position encoder outputs an output signal. The output signal is produced by superposition of a chronologically random and systematically fluctuating signal interference on a basic signal, and composed of at least two component signals which change periodically in accordance with the rotational position of the rotor and are in a fixed angular relationship to one another. To determine the position, the output signal is used exclusively. The current initial rotational position of the rotor relative to a reference initial rotational position is determined by comparing the time profile of the portion of the systematically fluctuating signal interference of a current measured value sequence of the signal and the measured values of a signal sequence acquired starting from the reference initial rotational position.

2013-07-25

20130187582

CONTROL DEVICE - A control device that controls an electric motor drive device including a DC/AC conversion section that converts a DC voltage into an AC voltage using a detected angle detected by a resolver provided in an AC electric motor to supply the resulting AC voltage to the AC electric motor. The control device includes a correction information acquisition section that acquires first correction information on the basis of the rotational speed, and that acquires the second correction information on the basis of the modulation rate at the angle acquisition time point in the case where the rotational speed at the angle acquisition time point is less than the rotational speed threshold. A detected angle correction section corrects the detected angle on the basis of the correction information acquired by the correction information acquisition section.

2013-07-25

20130187583

CONTROL DEVICE FOR ELECTRIC MOTOR DRIVING APPARATUS - A control device for an electric motor driving apparatus, configured with a switching control unit that performs rectangular wave control in which a plurality of switching elements provided in a direct current-alternating current conversion unit are ON/OFF-controlled to output rectangular wave-shaped voltages of a plurality of phases. System voltage varies during execution of the rectangular wave control, the switching control unit performs rectangular wave width adjustment control to set ON/OFF timings of the plurality of switching elements on the basis of a rate of change of the system voltage such that time-integrated values of the rectangular wave-shaped voltages of the respective phases within a control period set at a length corresponding to an integral multiple of a single electrical angle period are substantially identical among the respective phases.

2013-07-25

20130187584

SYSTEMS AND METHODS FOR CONTROLLING A BRUSHLESS MOTOR - A system for controlling a brushless motor includes drive circuitry in communication with the brushless motor and a primary control device in communication with the drive circuitry. The system also includes a secondary control device in communication with the drive circuitry and a multiplexer for selectively providing an output of the primary control device or an output of the secondary control device to the drive circuitry, wherein the output of the primary control device is provided to the drive circuitry when the primary control device is operating normally.

2013-07-25

20130187585

METHOD FOR OPERATING AN AT LEAST THREE-PHASE ELECTRIC MACHINE, USED AS A DRIVE ASSEMBLY IN A MOTOR VEHICLE, AND CONTROL UNIT FOR AN INVERTER - In a method for operating an at least three-phase electric machine used as a drive assembly in a motor vehicle, which is actuated via an inverter, the inverter including switching elements in the form of half bridges which are in each case electrically connected to a respective phase of the electric machine, when a first switching element of a first half bridge connected to a first phase is permanently closed/opened on account of failure, a second switching element of the first half bridge is permanently opened/closed and, in a first angular range of an electrical rotation, which is uninfluenced by the first phase, all switching elements of the additional half bridges are actuated in the usual manner.

2013-07-25

20130187586

Multi-Pole Switched Reluctance D.C. Motor with a Constant Air Gap and Recovery of Inductive Field Energy - A Back EMF reducing DC motor system and method of operation are disclosed. The disclosed system and method are designed to exploit Transformer Voltage properties and include a rotor element shaped to periodically move a flux zone along a stator face. Incoming DC motor power from an external source may be appropriately conditioned and applied to a power supply, Storage Capacitors may also communicate with the power supply. A controller receives power from the power supply and communicates with the DC motor. A position sensor or other indicator may also communicate DC motor operational conditions to the controller. A recapture storage device may receive recaptured power from the DC motor via the controller. The recaptured power may he used to power an external load, or to reduce the input power necessary to operate the DC motor.

2013-07-25

20130187587

PROGRAMMABLE POWER TOOL WITH BRUSHLESS DC MOTOR - A power tool that includes a brushless DC motor, one or more motor sensors, and a controller, such as, for example, an electronic speed control (ESC) circuit. The controller is adapted to provide instructions to control the operation of one or more parameters of the brushless DC motor. The controller is also adapted to receive feedback from one or more motor sensors that reflect whether the motor is attaining the one or more parameters. The controller may also be adapted to have a learning mode, in which feedback provided during use of the power tool is stored by the controller as a program so that the same operating parameters may be subsequently replicated by using the program to operate the tool. The controller may also use the feedback to adjust the operation of the motor so that the motor maintains one or more selected or programed operating parameters.

2013-07-25

20130187588

MOTOR DRIVE SYSTEM AND CONTROL METHOD THEREOF - A motor drive system comprising: an inverter that supplies power to a three-phase motor; and a control unit that, when first stopping and then commencing supply of alternating current to three phases of the three-phase motor, switches from first control to third control and then to second control, the first control putting switching elements in the inverter in a non-conduction state, the second control being PWM control of the switching elements, and the third control putting and keeping a switching element of each of an upper arm and a lower arm in the conduction state until commencement of the supply of current, the upper arm corresponding to a phase through which current flows in a direction entering the motor upon commencement of the supply, the lower arm corresponding to a phase through which current flows in a direction exiting the motor upon commencement of the supply.

2013-07-25

20130187589

MOTOR CONTROL APPARATUS WHICH LIMITS TORQUE COMMAND ACCORDING TO INPUT CURRENT OR POWER - A motor control apparatus includes, a converter which converts input AC to DC for output, an inverter which converts the DC output of the converter to provide an AC output for driving a motor, and an inverter control part for controlling the same, and a numerical control part which outputs a motor operation command for commanding the operation of the motor, and wherein when AC current or power input to the converter lies outside a predetermined range, the inverter control part controls the AC output of the inverter so that the motor is operated in accordance with a limited torque command produced by limiting a torque command originally specified in the motor operation command.

2013-07-25

20130187590

SYSTEM AND METHOD FOR VEHICLE POWER MANAGEMENT - A power management system for a vehicle having wheels and an electric machine operable to provide torque to drive at least one of the wheels includes a first energy storage system capable of supplying power to operate the electric machine. The system also includes a second energy storage system capable of supplying power directly to at least one vehicle load at a lower voltage than the first energy storage system. A voltage conversion device is operable to reduce a voltage of the power supplied by the first energy storage system to the lower voltage to charge the second energy storage system when the vehicle is in a key-off state.

2013-07-25

20130187591

Electric Vehicle Extended Range Hybrid Battery Pack System - A power source comprised of a first battery pack (e.g., a non-metal-air battery pack) and a second battery pack (e.g., a metal-air battery pack) is provided, wherein the second battery pack is only used as required by the state-of-charge (SOC) of the first battery pack or as a result of the user selecting an extended range mode of operation. Minimizing use of the second battery pack prevents it from undergoing unnecessary, and potentially lifetime limiting, charge cycles. The second battery pack may be used to charge the first battery pack or used in combination with the first battery pack to supply operational power to the electric vehicle.

2013-07-25

20130187592

ON-SHORE ELECTRICAL CHARGING SYSTEM AND METHOD THEREOF - An on-shore electrical charging system and a method thereof are provided. The on-shore electrical charging system for vessels includes an on-shore electrical charging apparatus and a management platform. The electrical charging apparatus includes at least one digital watt hour meter, an identification apparatus, an electromagnetic lock, an emergency switch, a charge management module, and at least one plug. The method of on-shore electrical charging allows a vessel charge record to be sent to the management platform, so that users and system managers can obtain and management information such as charge status and charge amount.

2013-07-25

20130187593

INTELLIGENT CHARGING SOLUTION FOR LARGE-SCALE BATTERY SYSTEMS WITH SCALABLE POWER OUTPUT - A scalable battery charging system and a probe system for charging large-scale battery systems. System incorporates (1) a control board with an extensible universal sensor assembly to monitor all relevant input and output parameters, (2) extensible power stage that can be scaled to the arbitrary levels of power by stacking power modules, and (3) remote control and monitoring hardware and software. This inventive system allows for more automated, lower cost, and higher lifetime usage of the large-scale battery systems. It will also allow for better user experience through better control over the process and automation of the traditionally manual steps.

2013-07-25

20130187594

HEARING AID HAVING A BATTERY CHARGER - A hearing aid has a battery charger. The hearing aid contains a battery charger having an opening for accommodating a programming module having first programming contacts. Furthermore, second programming contacts are arranged in the hearing aid. The hearing aid is characterized by a sealant inserted in the opening, wherein the sealant covers the second programming contacts when the battery charger is shut off. Thus, the corrosion susceptibility of the second programming contacts is mostly avoided in an advantageous way.

2013-07-25

20130187595

CIRCUIT FOR A SYSTEM FOR CONTACTLESS INDUCTIVE POWER TRANSMISSION - The invention relates to a circuit for a system for contactless, inductive power transmission, in particular for use in supplying power to mobile devices, and to an associated charging circuit. The circuit comprises a primary-side circuit, which is disposed on a primary side and can be connected to a primary-side supply voltage, and a secondary-side circuit, which is disposed on a secondary side and can be connected to a load to be supplied with power. Furthermore a transformer stage having galvanic isolation is provided for the contactless transfer of power from the primary side over an air gap to the secondary side, wherein at least two magnetically coupled coils are provided for inductive power transmission and can be spatially separated from one another by distancing the secondary side from the primary side. The transformer stage has a resonant converter and the secondary-side circuit further comprises a restabilisation stage.

2013-07-25

20130187596

LIMITATION OF VAMPIRIC ENERGY LOSS WITHIN A WIRELESS INDUCTIVE BATTERY CHARGER - Vampire energy loss occurs when an electronic or mechanical machine consumes energy while not being utilized for any useful purpose. Vampire energy losses in consumer electronic devices are under intense scrutiny for needlessly wasting an estimated 20% of the electric power production in the United States. It is also estimated by the US Department of Energy that by 2015 vampire electronics could be responsible for nearly 30 percent of the total household power consumption in the United States. Smarter vampire proof technologies are needed to address this growing problem.

2013-07-25

20130187597

LIMITATION OF VAMPIRIC ENERGY LOSS WITHIN AN INDUCTIVE BATTERY CHARGER OR EXTERNAL POWER SUPPLY USING MAGNETIC TARGET DETECTION CIRCUITRY - Vampire energy loss occurs when an electronic or mechanical machine consumes energy while not being utilized for any useful purpose. Vampire energy losses in consumer electronic devices are under intense scrutiny for needlessly wasting an estimated 20% of the electric power production in the United States. It is also estimated by the US Department of Energy that by 2015 vampire electronics could be responsible for nearly 30 percent of the total household power consumption in the United States. Smarter vampire proof technologies are needed to address this growing problem.

2013-07-25

20130187598

APPARATUS AND METHOD FOR TRANSMITTING WIRELESS POWER BY USING RESONANT COUPLING AND SYSTEM FOR THE SAME - Disclosed are an apparatus and a method for charging power using a resonant coupling. The apparatus includes a transmission power converter for converting Direct Current (DC) power to Alternating Current (AC) power, a controller for adjusting a Q factor of a transmission resonator by using a frequency of the converted AC power and a resonant frequency of the transmission resonator and controlling adaptive impedance matching, and a transmission resonator for wirelessly transmitting the converted AC power to a receiver through the adjusted Q factor and the controlled adaptive impedance matching, the transmission resonator having a coil installed in the transmitter.

2013-07-25

20130187599

CHARGING STATIONS FOR USE IN CHARGING ELECTRICALLY POWERED VEHICLES AND RELATED METHODS - Charging stations for use in charging an electrically powered vehicle and related methods are disclosed. One example charging station includes a housing having an interior. The housing is configured to enclose at least one vehicle charging component and defines a receptacle opening. The charging station further includes a first receptacle configured to receive a charging connector. The receptacle includes a front portion and a back portion. The back portion of the first receptacle includes a first drain port configured to permit a fluid flow to drain from the first receptacle. The first receptacle is configured to be positioned at least partially within the first receptacle opening, such that the back portion of the first receptacle is positioned within the first enclosure. The first enclosure defines a first drain opening configured to permit fluid from the first receptacle to an exterior of said first enclosure.

2013-07-25

20130187600

Electric Vehicle Charging System Adaptor - An adaptor is provided for connecting an EV/PHEV charging system to a grounded extension cord that may be plugged into a conventional NEMA receptacle. A proximity detection switch is provided within the adaptor. A pulse width modulated signal is limited by the control logic to limit the current provided to the vehicle charging system so that the current drawn by the system does not exceed the current carrying capacity of the extension cord. The adaptor has a NEMA plug on one side and a J1772 connector receptacle on another side.

2013-07-25

20130187601

Break-away cable connector - An electric vehicle charging station having a console, a cable and a vehicle connector. The cable is connected with a break-away system that allows for a controlled structural failure of one of the cable connections when the vehicle connector is pulled away from the console with a critical level of force. The break-away system could be a body positioned along the length of the cable, and could be a connection between the cable and either the console or the vehicle connector.

2013-07-25

20130187602

CHARGER FOR A BATTERY, PLURALITY OF COUPLED CHARGERS AND METHOD OF OPERATING - A network of chargers for a battery of an electric vehicle is disclosed, having a 1st power connection, a power converter, a 2nd power connection and at least a 3rd power connection for exchanging power with another charger. A controller is provided for controlling a power switch, and is configured to: connect the power converter to the 2nd power connection when a vehicle is to be charged from the power source, connect the power converter to the at least one 3rd power connection when power is to be delivered to another charger, and connect the at least one 3rd power connection to the 2nd power connection when power from another charger is to be delivered to the vehicle.

2013-07-25

20130187603

Battery Charger Network - A battery charger network that includes at least one battery charger, at least one power source and at least one battery pack. The charger network is able to charge the battery pack using the at least one battery charger where the battery charger is capable of communicating to an additional battery charger via a battery charger network.

2013-07-25

20130187604

Method of establishing a Battery Charging Network - A data management system that is enabled such that the user can select a data source node, a repository and a data path, choose policies for each and distribute the policies to be managed by the management system.

2013-07-25

20130187605

APPARATUS AND METHOD FOR ACTIVE BALANCING OF SERIES CELLS AND SERIES PACKS IN A BATTERY SYSTEM - An active balancing and battery charging system for a battery including a plurality of packs made up of cells. An H-bridge circuit having a nominal system voltage as an input generates a square wave output to a plurality of step-down transformers each associated with a pack, where the plurality of step-down transformers provide an active balancing voltage of about the nominal pack voltage. Each pack may include a balancing transformer including a common primary coil receiving the active balancing voltage from the associated step-down transformer or the pack itself. The balancing transformer also includes a plurality of secondary coils each associated with the respective plurality of cells of the pack. A voltage induced in the secondary coils causes a discrete charge current to flow to any cells in the pack that are undercharged relative to other cells.

2013-07-25

20130187606

CHARGER FOR A CELL PHONE OR TABLET PERSONAL COMPUTER WITH FUNCTION OF WINDING A WIRE - The present invention discloses a charger for a cell phone or tablet personal computer with function of winding a wire. The charger includes a main unit, a power plug that is put in a groove of the main unit, a transmission wire that is wound in a double C-slot at a side of the main unit, and a charging connector that is fixed in a positioning dip or a containing groove of the main unit. The present invention enables a charging wire associated with the charger to be wound and contained along the side as an integral unit, thereby facilitating carrying.

2013-07-25

20130187607

CHARGING DEVICE USED IN HANDHELD DEVICES - A charging device used in a handheld device comprises a main body, a coupling portion connected to an end of the main body and the coupling portion has a connector, and a battery unit connected to another end of the main body. When the charging device is in a first status, the battery unit and the connector are coupled together; when it is in a second status, the battery unit is detached from the connector so that the connector is electrically connected with the handheld device in order to have the handheld device charged.

2013-07-25

20130187608

RECHARGEABLE BATTERY MODULE AND BATTERY CHARGING METHOD - A rechargeable battery module including a plurality of battery cells connected in series, a charging transistor, a balancing circuit and a control chip. The charging transistor is operative to convey a charging current to charge the battery cells. Based on voltage levels of the battery cells, the control chip disables the charging transistor and controls the balancing circuit to perform a first stage battery balance process. After finishing the first stage battery balance process, the control chip enables the charging transistor to charge the battery cells again. After being switched to a constant voltage charging mode, the control chip controls the balancing circuit based on the voltage levels of the battery cells to perform a second stage battery balance process.

2013-07-25

20130187609

RECHARGEABLE BATTERY MODULE AND BATTERY CHARGING METHOD - An embodiment of the invention provides a rechargeable battery module including a battery bank having serial connected battery units, a charging transistor providing a charging current to the battery bank, a balancing circuit for detecting and balancing voltage values of battery units and battery bank and a control chip. When a first voltage value of a first battery unit reaches a charge-off voltage, the control chip estimates a first unbalanced voltage difference between the first voltage and the minimal voltage among battery units. The control chip disables the charging transistor and estimates a second unbalanced voltage difference between voltages of the first battery unit and the battery unit having a minimal voltage. The control chip enables the balancing circuit to balance the first battery unit. When the voltage of the first battery is dropped by a calibration target, the charging transistor is enabled.

2013-07-25

20130187610

CHARGING/DISCHARGING MONITORING DEVICE AND BATTERY PACK - A charging/discharging monitoring device of a battery pack, includes: a plurality of monitoring integrated circuits; a plurality of wiring boards on which the plurality of monitoring integrated circuits are mounted, respectively; and a plurality of signal transmission paths for, via corresponded respective capacitors, connecting between the plurality of wiring boards. The charging/discharging monitoring device is configured with a two-wire transmission path for connecting between terminals of an upstream-side monitoring integrated circuit of daisy chain connection and a downstream-side monitoring integrated circuit thereof, and a wire length of a wiring part which connects between the respective capacitors and terminals of the corresponding monitoring integrated circuits on the wiring boards is a length in which resonance is not caused by the electromagnetic wave noises in an electromagnetic wave noise environment under which the wiring boards are arranged.

BALANCE CHARGING CIRCUIT FOR SERIES-CONNECTED STORAGE CELLS AND BALANCE CHARGING METHOD FOR SERIES-CONNECTED STORAGE CELLS - A coil is electrically connected to one of storage cells to charge it, and after that, the coil is electrically connected to the other one thereof to charge it. In a first charging period, a path of a charging current flowing into a reference voltage through the coil is formed, in a second charging period, a path of a charging current flowing into a second cell from the coil is formed, in a third charging period, a path of a charging current flowing into the reference voltage through the coil is formed, and in a forth charging period, one end of the coil is electrically conducted with one end of the first cell and another end of the coil is electrically conducted with another end of the first cell to form a path of a charging current flowing into the first cell from the coil.

2013-07-25

20130187613

ENERGY MANAGEMENT SYSTEM - An energy management system has an integration control portion that performs control to charge a storage battery with a power of such an amount that a power consumption including a power supplied by a supply portion is equal to or smaller than a target value indicated by power consumption target information recorded in a recording portion when a power consumption detected by a detection portion is smaller than the target value, and to supply a building with a power with which the storage battery is charged such that the power consumption including the power supplied by the supply portion coincides in amount with a power equal to or smaller than the target value indicated by the power consumption target information recorded in the recording portion when the power consumption detected by the detection portion is larger than the target value.

2013-07-25

20130187614

CHARGING TECHNIQUES FOR SOLID-STATE BATTERIES IN PORTABLE ELECTRONIC DEVICES - The disclosed embodiments provide a system that manages use of a solid-state battery in a portable electronic device. During operation, the system monitors a temperature of the solid-state battery during use of the solid-state battery with the portable electronic device. Next, the system modifies a charging technique for the solid-state battery based on the monitored temperature to increase a capacity or a cycle life of the solid-state battery. To modify the charging technique based on the monitored temperature, the system may increase a charge rate of the solid-state battery if the temperature exceeds a first temperature threshold. On the other hand, the system may maintain the charge rate of the solid-state battery if the temperature does not exceed the first temperature threshold.

2013-07-25

20130187615

BATTERY PROTECTING CIRCUIT, BATTERY PROTECTING DEVICE, AND BATTERY PACK - A disclosed battery protecting circuit includes a battery protecting IC powered by a voltage of a secondary battery; another battery protecting IC powered by a voltage of another secondary battery connected to the secondary battery in series; and a constant voltage output unit which receives a maximum voltage obtained by adding voltages of the secondary battery and the other secondary battery in series and outputs a constant voltage upon receipt of a control signal from an output terminal of the battery protecting IC or the other battery protecting IC.

2013-07-25

20130187616

Battery Discharge System and Method of Operation thereof - A battery based power supply assembly is disclosed. The system comprises a discharge initiating device and a plurality of battery modules electrically connected with one another. Each of the battery modules comprises a plurality of battery cells, a discharge load connected in series with the battery cells, a switch coupled between the battery cells and the discharge load, a temperature sensor, and a controller adapted for placing the switch in its electrically connected state upon being driven by the discharge initiating device. The invention further provides a safe method of draining the energy from the power supply assembly disclosed herein.

SPIRAL-WOUND CONVECTION BATTERY AND METHODS OF OPERATION - A spiral-wound convection battery device has flow in and out of the ends with flow proceeding through flow-permeable electrodes. In the preferred configuration electrolyte flows, reverse flows, or pressure-pulse reverse flows between an electrode and counter electrode through a flow-permeable separator. The preferred configuration is as a novel stacked-cell spiral-wound battery.

2013-07-25

20130187619

SHUNT REGULATOR - This document discusses, among other things, a circuit including a diode and a transistor. In certain examples, an integrated circuit can include the diode and the transistor. In some examples, an apparatus can include the diode having a first temperature coefficient, a bias resistor configured to bias the diode, and a bipolar junction transistor having a second temperature coefficient the bipolar junction transistor having a base coupled to the diode and the bias resistor, wherein the first temperature coefficient and the second temperature coefficient are configured to reduce at least a portion of a temperature drift effect of the diode and the bipolar transistor.

2013-07-25

20130187620

POWER EFFICIENT TRANSCONDUCTANCE AMPLIFIER APPARATUS AND SYSTEMS - Embodiments and methods herein operate as two-stage voltage controlled current sources (i.e., dynamic current sources) operating in class AB mode. Phase-delayed current injection circuits are associated with first-stage bias, second-stage bias, or both. The current injection circuits operate to quickly re-charge inter-stage parasitic capacitance associated with the active side of the class AB dynamic current source shortly after that side becomes inactive. Doing so quickly dissipates an otherwise slowly-decaying residual drive signal to prevent the output stage from continuing to conduct after the associated side of the current source becomes inactive. Excessive current consumption and possible destructive operation of the output stage are mitigated as a result.

2013-07-25

20130187621

Power control circuits and methods - Power control circuits and methods are disclosed, suitable for a power supplier. A power control circuit has a clock generator, a phase controller and a power limiter. The clock generator provides a clock signal, substantially determining switching cycles of a power supply. The phase controller outputs a burst signal based on a group reference signal and a burst initiation signal, and makes a burst period corresponding to a burst signal not less than a group reference period corresponding to the group reference signal. The burst signal is capable of switching the power supplier between a switching state and a non-switching state. The power limiter limits the power transferred by the power supply in every switching cycle, during a burst-up duration after the power supply is switched from the non-switching state to the switching state. The burst initiation signal correlates to an output voltage of the power supplier.

2013-07-25

20130187622

VOLTAGE EQUALIZATION DEVICE AND A MEDICAL IMAGING DEVICE HAVING A VOLTAGE EQUALIZATION DEVICE - A voltage equalization device for equalizing voltage fluctuations in a voltage supply is provided. The voltage supply has an electrical voltage that is as constant as possible. The voltage equalization device has at least one transformer unit which has a primary winding unit and a secondary winding unit and, on one of the two winding units, has at least three or more selection units for switching in or switching out turns of the winding unit. Two adjacent selection units are so arranged in each case as to be separated from one another by a distance having a number of turns. The number of turns between two first adjacent selection units is different from the number of turns between two further adjacent selection units.

2013-07-25

20130187623

SMART DIMMING SOLUTION FOR LED LIGHT BULB AND OTHER NON-LINEAR POWER AC LOADS - A dimmer is provided that includes an MCU, a first power switch, and a pair of second power switches. The MCU is coupled to and configured to control the first power switch and the pair of second power switches, wherein the MCU is configured to activate the first power switch to conduct current to a load during a first continuous period of time. The MCU is also configured to alternately activate the pair of second power switches to conduct current to the load during a second continuous period of time. The MCU is configured to deactivate the pair of second power switches during the entire first period of time, and the MCU is configured to deactivate the first power switch during the entire first period of time. The first and second continuous periods do not overlap in time.

2013-07-25

20130187624

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND DC-DC CONVERTER - According to one embodiment, a semiconductor integrated circuit device for a DC-DC converter is configured to convert an input voltage to an output voltage by controlling a voltage supplied to a load according to a Pulse Width Modulation (PWM) signal, and to output the output voltage from an output terminal. The device includes an error voltage generator, a phase compensating module, a controller, and an error voltage adjuster. The error voltage generator is configured to generate an error voltage indicative of a difference between a feedback voltage corresponding to the output voltage and a predetermined reference voltage. The controller is configured to generate the PWM signal whose duty ratio depends on the error voltage and on a current flowing through the load connected to the output terminal. The error voltage adjuster is configured to adjust the error voltage based on a gradient of the feedback voltage.

2013-07-25

20130187625

CONVERGENCE TYPE POWER SUPPLY DEVICE - A convergence type power supply device includes a supply circuit and a filter circuit, and both circuits receive a rectified pulse DC power, and the supply circuit supplies the pulse DC power to a load directly when the filter circuit is charged, and the voltage of the pulse DC power becomes higher after the filter circuit is charged, and the filter circuit filters the pulse voltage to supply a filter DC to the load, so as to achieve the effect of enhancing the power factor.

2013-07-25

20130187626

Soft Switch Driving Circuit - A soft switch driving circuit is disclosed for a DC converter, to transform an input voltage into an output voltage. The soft switch driving circuit includes a regulating module for outputting a reference voltage, a first bootstrap circuit for generating a first voltage value according to a DC voltage, a second bootstrap circuit for generating a second voltage value according to the reference voltage, a control module for generating a plurality of control signals according to a control voltage, a switch module having one end coupled to the first bootstrap circuit and another end coupled to the second bootstrap circuit for outputting a voltage signal, and an output circuit connected to the control module and the switch module for transforming the input voltage into the output voltage according to the voltage signal and one of the plurality of controlling signals.

2013-07-25

20130187627

SEMICONDUCTOR DEVICE AND POWER SUPPLY DEVICE - A semiconductor device includes: a lead frame that is composed of a lead and a die stage; a GaN-HEMT that is disposed on the die stage and has a source electrode on a rear surface of the GaN-HEMT, the source electrode being connected to the die stage; and a MOS-FET that is disposed on the die stage and has a drain electrode on a rear surface of the MOS-FET, the drain electrode being connected to the die stage; wherein the source electrode of the GaN-HEMT and the drain electrode of the MOS-FET are cascode-connected with each other via the die stage.

Dynamic Biasing of an Amplifier Using Capacitive Driving of Internal Bias Voltages - A system and a method are disclosed for using driving capacitors to dynamically bias an amplifier in a stage of a pipeline analog-to-digital converter (ADC). The drain of the amplifier is connected to a sink transistor, and the driving capacitors are used to raise or lower the voltage at the gate of the sink transistor. The driving capacitors can be used in this manner to rapidly power the amplifier on and off to save power and/or to selectively boost the drain current of the amplifier to improve the response time of the pipeline ADC stage.

2013-07-25

20130187630

SENSOR TAPE FOR SECURITY DETECTION AND METHOD OF FABRICATION - A sensor in the form of an elongated flexible tape has a signal path made from electrical wire or optical fiber which extends between one end and another end of the tape. The electrical wires or optical fibers are disposed in spaced relation across the width and along the length of the tape and are terminated in connectors at the endpoints of the tape. The connectors may be integrated into a signal detector to interface with communication links. The tape is a material that is non-conductive and in which the wires or optical fibers may be woven, disposed or embedded in some manner. One or more layers of flexible material can be laminated on respective sides of the sensor tape to provide a robust laminated or bonded structure that can be rolled and unrolled from a reel. An adhesive layer and a removable layer can be provided to protect the adhesive layer prior to use. An overcoat of outer layer resin may be applied.

2013-07-25

20130187631

DEVICE FOR DETECTING A LOAD TYPE - A method for detecting a load type is described. The method includes placing an electronic device in a forward phase mode. The method also includes operating a load at a maximum allowable level. The method additionally includes capturing a voltage waveform. The method further includes capturing a current waveform. The method also includes obtaining a voltage zero-cross based on the voltage waveform. The method additionally includes obtaining a current zero-cross based on the current waveform. The method further includes determining the load type based on the voltage zero-cross and the current zero-cross.

2013-07-25

20130187632

POWER DEVICE INTERFACE ARRANGED TO DETECT AMOUNT OF POWER AVAILABLE - A powered device interface arranged as an interface between power received over a structured communication cabling and a powered device, the powered device interface constituted of: a class event counter; a logic circuit in communication with the class event counter; and a plurality of flag outputs each responsive to the logic circuit, each of the flag outputs associated with a predetermined powering level of a power sourcing equipment connected over the structured communication cabling, the logic circuit arranged to: output an active signal at the flag output associated with a detected powering level of the connected power sourcing equipment; and output an active signal at all other flag outputs associated with powering levels less than the detected powering level of the connected power sourcing equipment.

2013-07-25

20130187633

CURRENT SENSOR - Provided is a current sensor including at least three bus bars made of flat-plate-shaped conductors and an inverter, a plurality of cores in which a core is formed by stacking flat plates made of U-shaped magnetic bodies, and a detecting element arranged on the side of an opening portion of each of the cores for detecting the intensity of a magnetic field, that the interval between the core and another bus bar that is adjacent to the bus bar inserted into the U groove of the core becomes 1/2 of the length of the opening portion in the spacing direction, and the tolerance of the gap is set to a value obtained by subtracting the value of 3/2 of the length of the opening portion in the spacing direction from the value of the interval between the bus bars that are adjacent to each other, with the gap as a median value.

2013-07-25

20130187634

MONITORING DEVICE AND METHOD FOR MONITORING A LINE SECTION USING A MONITORING DEVICE - A monitoring device is provided that includes a first line section with a first connection point and a second connection point spaced apart from the first connection point in the direction of the line, and with a control unit and with a first current sensing unit, having a current source. A first switch is inserted into the first connecting line and connects the first current source to the first connection point or disconnects it therefrom. In a first state the first switch is closed and the first current is impressed on the first line section and a first voltage determined by the amplitude of the actual current, and in a second state the first switch is open and a second voltage is determined, and the control unit is configured to ascertain the amplitude of the first actual current from the two voltages.

2013-07-25

20130187635

ELECTRICAL SENSOR FOR A TWO-WIRE POWER CABLE - The invention discloses an electrical sensor for a two-wire power cable. The sensor includes: a flexible substrate joined onto the power cable or the protective jacket thereon; an inductive coil formed on the flexible substrate; a pair of metal electrodes formed on the flexible substrate and at the opposite sides of the power cable, respectively; and a readout circuit formed on the flexible substrate, electrically connected to the inductive coil so as to measure the current in the power cable, and electrically connected to the metal electrodes so as to measure the voltage in the power cable.

2013-07-25

20130187636

Energy Harvest Split Core Design Elements for Ease of Installation, High Performance, and Long Term Reliability - A power distribution monitoring system is provided that can include a number of features. The system can include a plurality of power line sensing devices configured to attach to individual conductors on a power grid distribution network. In some embodiments, the power line sensors can include a split-core transformer. In some embodiments, a power line sensing device is disposed on each conductor of a three-phase network. The sensing devices can be configured to measure and monitor, among other things, current and electric-field on the conductors. Methods of installing, sealing, and protecting the split-core transformers of the power line sensors are also discussed.

2013-07-25

20130187637

Distribution Line Clamp Force Using DC Bias on Coil - A power distribution monitoring system is provided that can include a number of features. The system can include a plurality of monitoring devices configured to attach to individual conductors on a power grid distribution network. In some embodiments, a monitoring device is disposed on each conductor of a three-phase network and utilizes a split-core transformer to harvest energy from the conductors. The monitoring devices can be configured to harvest energy from the AC power grid and apply a DC bias to core halves of the split-core transformer to maintain a positive magnetic force between the core halves. Methods of installing and using the monitoring devices are also provided.